﻿using System;
using System.Collections.Generic;
using System.Text;

namespace SimUDuck.Ducks
{
    class SingDuck : Duck
    {
        public SingDuck()
        {
            iQuackBehavior = new QuackZz();
            iFlyBehavior = new FlyNoWays();
            iSingBehavior = new SingNoWays();
        }
        public override void Display()
        {
            Console.WriteLine("歌手鸭");
        }

    }
}
